Datasheet

© 2009 Microchip Technology Inc. DS40044G-page 145
PIC16F627A/628A/648A
TABLE 17-5: PRECISION INTERNAL OSCILLATOR PARAMETERS
Legend: TBD = To Be Determined.
* Characterized but not tested.
FIGURE 17-5: CLKOUT AND I/O TIMING
Parameter
No.
Sym Characteristic Min Typ Max Units Conditions
F10 F
IOSC Oscillator Center frequency
—4—MHz
F13
ΔIOSC Oscillator Accuracy
3.9644.04MHzV
DD = 3.5 V, 25°C
3.92 4 4.08 MHz 2.0V ≤ VDD ≤ 5.5V
0°C ≤ T
A ≤ +85°C
3.80 4 4.20 MHz 2.0V ≤ VDD ≤ 5.5V
-40°C ≤ T
A ≤ +85°C (IND)
-40°C ≤ T
A ≤ +125°C (EXT)
F14
*
TIOSCST
Oscillator Wake-up from Sleep
start-up time
—6 8μsV
DD = 2.0V, -40°C to +85°C
—4 6μsVDD = 3.0V, -40°C to +85°C
—3 5μsV
DD = 5.0V, -40°C to +85°C
OSC1
CLKOUT
I/O Pin
(input)
I/O Pin
(output)
Q4
Q1
Q2 Q3
10
13
14
17
20, 21
22
23
19
18
15
11
12
16
Old Value
New Value